2019 MERCEDES-BENZ CLA headlamp

take precedence over the daytime runninglamps.
USA only:
The daytime running lamps improve the visibilityof your vehicle during the day. To do this, thedaytime running lamps function must beswitched on using the on-board computer(Ypage 189).
If the engine is running and you turn the lightswitch to the`orXposition, the manualsettings take precedence over the daytime run-ning lamps.
Low-beam headlamps
Even if the light sensor does not detect that it isdark, the parking lamps and low-beam head-lamps switch on when the ignition is switched onand the light switch is set to theXposition.This is a particularly useful function in the eventof rain and fog.
XTo switch on the low-beam headlamps:turn the SmartKey to positionHin the igni-tion lock or start the engine.
XTurn the light switch toX.The greenXindicator lamp in the instru-ment cluster lights up.
Rear fog lamp
The rear fog lamp improves visibility of yourvehicle for the traffic behind in the event of thickfog. Please take note of the country-specificregulations for the use of rear fog lamps.
XTo switch on the rear fog lamp:turn theSmartKey in the ignition lock to positionHorstart the engine.
XTurn the light switch toXorX.
XPress the^button.The yellow^indicator lamp in the instru-ment cluster lights up.
XTo switch off the rear fog lamp:press the^button.The yellow^indicator lamp in the instru-ment cluster goes out.
iWhen the rear fog lamp is switched on, thecenter brake lamp in the tail lamp switches offdue to a legal requirement.
Parking lamps
!If the battery charge is very low, the parkinglamps or standing lamps are automaticallyswitched off to enable the next engine start.Always park your vehicle safely and in a well lit
area, in accordance with the relevant legalstipulations. Avoid using the`parkinglamps over a period of several hours. If pos-sible, switch on the right-handdor left-handcstanding lamps.
XTo switch on:turn the light switch to`.The green`indicator lamp in the instru-ment cluster lights up.
Standing lamps
Switching on the standing lamps ensures thecorresponding side of the vehicle is illuminated.
XTo switch on the standing lamps:theSmartKey is not in the ignition lock or it is inpositionZin the ignition lock.
XTurn the light switch toc(left-hand side ofthe vehicle) ord(right-hand side of thevehicle).
Combination switch
XTo indicate briefly:press the combinationswitch briefly to the pressure point in thedirection of arrowDor

XTo switch off the high-beam headlamps:move the combination switch back to its nor-mal position.The blueWindicator lamp in the instru-ment cluster goes out.
Vehicles with Adaptive Highbeam Assist:when Adaptive Highbeam Assist is active, itcontrols activation and deactivation of thehigh-beam headlamps (Ypage 103).
XTo switch on the high-beam flasher:pullthe combination switch in the direction ofarrow

Vehicles with halogen headlamps
CTurn signal lamp: PY 21 W
DHigh-beam headlamps/daytime runninglamps/parking lamps/standing lamps:H15 55 W/15 W

XInsert the new bulb into bulb holderD.
XInsert bulb holderDand turn it clockwise.
XPress on housing coverCand turn it to theright.
XReplace the cover in the front wheel housing(Ypage 106).
High-beam headlamps/daytime run-
ning lamps/parking lamps and stand-
ing lamps (halogen headlamps)
XSwitch off the lights.
XOpen the hood.
XTurn housing coverCcounter-clockwise andremove it.
XTurn bulb holderDcounter-clockwise andpull out.
XInsert the new bulb and engage it to the stop.
XPress on housing coverCand turn it to theright.
Turn signals (halogen headlamps)
XSwitch off the lights.
XOpen the hood.
XTurn bulb holderCcounter-clockwise andpull out.
XTurn the bulb counter-clockwise and pull itout of bulb holderC.
XInsert the new bulb into bulb holderC.
XInsert bulb holderCand turn it clockwiseuntil it engages.
Replacing rear bulbs
Opening and closing the side trim pan-
els
View of right-hand side trim panel
You must open the side trim panel in the trunkbefore you can replace the bulbs in the taillamps.
XTo open:release right or left side trimpanelCat the top and fold it down in thedirection of the arrow.
XTo close:insert side panelC.
Tail lamps
XSwitch off the lights.
XOpen the trunk.
XOpen the side trim panel (Ypage 107).
Replacing bulbs107
Lights and windshield wipers
Z

Display messagesPossible causes/consequences andPPSolutions
If the conditions are not fulfilled, the system is not operating correctly.
XVisit a qualified specialist workshop immediately.
Further information about the Occupant Classification System(Ypage 48).
Lights
iVehicles with LED bulbs in the light clusters:
The display message for the corresponding lamp only appears when all of the LEDs in the lamphave failed.
Display messagesPossible causes/consequences andPPSolutions
I
Check Left Corner‐Check Left Corner‐ing Lighting LightorCheckCheckRight CorneringRight CorneringLightLight
The left or right-hand cornering light is defective.
XCheck whether you are permitted to replace the bulb yourself(Ypage 105).
or
XVisit a qualified specialist workshop.
I
CheckCheckLeftLeftLowLowBeamBeamorCheck Right LowCheck Right LowBeamBeam
The left or right-hand low-beam headlamp is defective.
XCheck whether you are permitted to replace the bulb yourself(Ypage 105).
or
XVisit a qualified specialist workshop.
I
Check Rear LeftCheck Rear LeftTurn SignalTurn SignalorCheck Rear RightCheck Rear RightTurn SignalTurn Signal
The rear left-hand or rear right-hand turn signal is defective.
XCheck whether you are permitted to replace the bulb yourself(Ypage 105).
or
XVisit a qualified specialist workshop.
I
Check Front LeftCheck Front LeftTurn SignalTurn SignalorCheck Front RightCheck Front RightTurn SignalTurn Signal
The front left-hand or front right-hand turn signal is defective.
XCheck whether you are permitted to replace the bulb yourself(Ypage 105).
or
XVisit a qualified specialist workshop.
I
Check Left MirrorCheck Left MirrorTurn SignalTurn SignalorCheck Right MirrorCheck Right MirrorTurn SignalTurn Signal
The turn signal in the left-hand or right-hand exterior mirror is defec-tive.
XVisit a qualified specialist workshop.
I
Check Center BrakeCheck Center BrakeLampLamp
The high-mounted brake lamp is faulty.
XVisit a qualified specialist workshop.
204Displaymessages
On-b oard computer and displays

Display messagesPossible causes/consequences andPPSolutions
I
Check Front LeftCheck Front LeftSidemarker LampSidemarker LamporCheck Front RightCheck Front RightSidemarker LampSidemarker Lamp
The front left-hand or front right-hand side marker lamp is faulty.
XVisit a qualified specialist workshop.
I
Check Rear LeftCheck Rear LeftSidemarker LampSidemarker LamporCheck Rear RightCheck Rear RightSidemarker LampSidemarker Lamp
The rear left-hand or rear right-hand side marker lamp is faulty.
XVisit a qualified specialist workshop.
I
Check Left DaytimeCheck Left DaytimeRunning LightRunning LightorCheckCheckRightRightDaytimeDaytimeRunning LightRunning Light
The left or right-hand daytime running lamp is faulty.
XCheck whether you are permitted to replace the bulb yourself(Ypage 105).
or
XVisit a qualified specialist workshop.
I
Malfunction SeeMalfunction SeeOperator's ManualOperator's Manual
The exterior lighting is malfunctioning.
XVisit a qualified specialist workshop.
I
Auto Lamp FunctionAuto Lamp FunctionInoperativeInoperative
The light sensor is defective.
XVisit a qualified specialist workshop.
I
Switch Off LightsSwitch Off Lights
The lights are still switched on when you leave the vehicle. A warningtone also sounds.
XTurn the light switch to theXposition.
I
Switch On HeadlampsSwitch On Headlamps
You are driving with low-beam headlamps switched off.
XTurn the light switch to theXorXposition.
Adaptive HighbeamAdaptive HighbeamAssist CurrentlyAssist CurrentlyUnavailable SeeUnavailable SeeOperator's ManualOperator's Manual
Adaptive Highbeam Assist is deactivated and temporarily inoperative.
Possible causes are:
RThe windshield in the camera's field of vision is dirty.
RVisibility is impaired due to heavy rain, snow or fog.
XClean the windshield.
If the system detects that the camera is fully operational again, theAdaptiveAdaptiveHighbeamHighbeamAssistAssistNowNowAvailableAvailablemessage is displayed.
Adaptive Highbeam Assist is operational again.
Adaptive HighbeamAdaptive HighbeamAssist InoperativeAssist InoperativeAdaptive Highbeam Assist is faulty.
XVisit a qualified specialist workshop.
206Displaymessages
On-b oard computer and displays